| /* global define */ |
| (function (root, factory) { |
| /* istanbul ignore next */ |
| if (typeof define === 'function' && define.amd) { |
| define([], factory); |
| } else if (typeof exports === 'object') { |
| module.exports = factory(); |
| } else { |
| root.compareVersions = factory(); |
| } |
| }(this, function () { |
| |
| var semver = /^v?(?:\d+)(\.(?:[x*]|\d+)(\.(?:[x*]|\d+)(\.(?:[x*]|\d+))?(?:-[\da-z\-]+(?:\.[\da-z\-]+)*)?(?:\+[\da-z\-]+(?:\.[\da-z\-]+)*)?)?)?$/i; |
| |
| function indexOrEnd(str, q) { |
| return str.indexOf(q) === -1 ? str.length : str.indexOf(q); |
| } |
| |
| function split(v) { |
| var c = v.replace(/^v/, '').replace(/\+.*$/, ''); |
| var patchIndex = indexOrEnd(c, '-'); |
| var arr = c.substring(0, patchIndex).split('.'); |
| arr.push(c.substring(patchIndex + 1)); |
| return arr; |
| } |
| |
| function tryParse(v) { |
| return isNaN(Number(v)) ? v : Number(v); |
| } |
| |
| function validate(version) { |
| if (typeof version !== 'string') { |
| throw new TypeError('Invalid argument expected string'); |
| } |
| if (!semver.test(version)) { |
| throw new Error('Invalid argument not valid semver (\''+version+'\' received)'); |
| } |
| } |
| |
| return function compareVersions(v1, v2) { |
| [v1, v2].forEach(validate); |
| |
| var s1 = split(v1); |
| var s2 = split(v2); |
| |
| for (var i = 0; i < Math.max(s1.length - 1, s2.length - 1); i++) { |
| var n1 = parseInt(s1[i] || 0, 10); |
| var n2 = parseInt(s2[i] || 0, 10); |
| |
| if (n1 > n2) return 1; |
| if (n2 > n1) return -1; |
| } |
| |
| var sp1 = s1[s1.length - 1]; |
| var sp2 = s2[s2.length - 1]; |
| |
| if (sp1 && sp2) { |
| var p1 = sp1.split('.').map(tryParse); |
| var p2 = sp2.split('.').map(tryParse); |
| |
| for (i = 0; i < Math.max(p1.length, p2.length); i++) { |
| if (p1[i] === undefined || typeof p2[i] === 'string' && typeof p1[i] === 'number') return -1; |
| if (p2[i] === undefined || typeof p1[i] === 'string' && typeof p2[i] === 'number') return 1; |
| |
| if (p1[i] > p2[i]) return 1; |
| if (p2[i] > p1[i]) return -1; |
| } |
| } else if (sp1 || sp2) { |
| return sp1 ? -1 : 1; |
| } |
| |
| return 0; |
| }; |
| |
| })); |